Phytochemical Test and Effectiveness of Alang alang Stolon Extract Imperata cylindrica L Against Mortality of Dengue Fever Mosquito Larvae Aedes Sp
DOI:
https://doi.org/10.53682/ibj.v3i2.5738Keywords:
Aedes sp. mosquito, alang-alang stolo, vegetable insecticides, secondary metabolites, phytochemical identificationAbstract
Aedes< em> nbsp;sp is a species of mosquito that acts as a vector for transmitting dengue The use of chemical insecticides to control Aedes sp result in negative impacts on the environment One vector control of dengue fever is using plant derived insecticides namely stolon Alang Alang extract nbsp;Imperata cylindrica< em> nbsp;L which is known to be more effective against dengue fever mosquitoes nbsp;Aedes< em> nbsp;sp This study aims to determine the effectiveness of stolon alang alang extract against the mortality of dengue mosquito larvae in nbsp;Aedes< em> nbsp;sp The method in this study is to analyze mortality data using Microsoft Excel 2016 probit analysis using seven treatments and three replications with a concentration of 0 2 0 25 0 3 0 35 0 4 0 45 and 0 5 Larvae were tested at each concentration of as many as ten tails The effectiveness of stolon alang alang extract on larval mortality was observed every 12 72 hours The data were analyzed by calculating the LC50 value using probit analysis The results showed that alang alang stolon extract effectively killed the mosquito larvae of nbsp;Aedes< em> nbsp;sp ranging from 0 25 0 5 concentration The highest mortality rate was obtained at a concentration of 0 3 0 5 capable of killing 100 of the mosquito larvae of nbsp;Aedes< em> nbsp;sp A concentration of 0 3 0 35 can cause 100 mortality of larvae at 60 hours after application JSA a concentration of 0 4 can cause 100 mortality in 48 JSA and a concentration of 0 45 0 5 causes 100 mortality of larvae in 36 JSA Probit analysis showed the LC50 result was 0 2116 2115 5 ppm with a toxic category 500 5000 ppm < p>
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